What is a Motor Operated Van de Graaff Generator used for?

A Motor Operated Van de Graaff Generator is used to generate static electric charge and demonstrate electrostatic attraction, repulsion, discharge sparks, and electric potential in physics labs.

Does this generator require manual cranking?

No. The product name indicates motor operation, so manual cranking is not the primary operation method. Confirm the final motor and power-supply details before publishing.

What output voltage does it produce?

The output voltage varies by unit — check voltage or spark-gap details from the product datasheet or tested specification before ordering.

Does it include a discharge wand?

Discharge wand inclusion varies by unit — check the wand, grounding lead, or accessories from the final supplied configuration before ordering.

Can it be used in school physics labs?

Yes. It is suitable for supervised school and college electrostatics demonstrations when operated under trained teacher supervision.

Home » Our Product » Physics Lab Equipment » Electronic Instruments » Motor Operated Van de Graaff Generator

Motor Operated Van de Graaff Generator

Product Code : SCL-EI-10657

The Motor Operated Van de Graaff Generator from Lab Glassware Manufacturer, a scientific and educational equipment manufacturer based in Ambala, Haryana, India, since 1982, is a physics laboratory electrostatics apparatus used for generating static electric charge and demonstrating electric potential, charge transfer, repulsion, attraction, and spark discharge. It is supplied to schools, colleges, and institutional buyers across India and exported to countries including Poland, Romania, Bulgaria, and Hungary, with growing demand across the wider Eastern Europe region for hands-on electrostatics teaching equipment.

Quick answer: The Motor Operated Van de Graaff Generator uses a motor-driven moving belt to transfer charge to a metal dome, producing a high electrostatic potential for steady, hands-free classroom demonstrations of static electricity, without the manual cranking some models require. The exact output voltage, dome size, belt material, and discharge distance vary by model — check the specific listing before ordering.

Technical Specifications

Specification	Detail
Product Name	Motor Operated Van de Graaff Generator
Brand	Lab Glassware Manufacturer
Product Category	Physics Lab Equipment / Electronic Instruments / Electrostatics Apparatus
Operation Type	Motor operated
Output Voltage / Dome Size / Belt Material	. Electrostatics teaching apparatus covering static charge, electric potential, induction, attraction, and repulsion. Visible demonstration value so students can observe electrostatic effects directly during physics lessons. Physics lab application for school and college experiments on charge transfer and high-voltage electrostatics. Reusable demonstration unit for repeated supervised classroom use when maintained properly. Specification-dependent safety — voltage, motor rating, discharge accessories, and insulation are confirmed at order stage. What Is Included Motor Operated Van de Graaff Generator with dome, belt assembly, and motor unit. A discharge wand, grounding lead, instruction sheet, storage packaging, or certificate may be included depending on the configuration ordered — confirm exact contents with Lab Glassware Manufacturer before ordering. Applications / Uses Demonstrating static electricity in school physics laboratories Showing charge accumulation on a conducting dome Explaining electrostatic attraction and repulsion Producing controlled spark-discharge observations under supervision Introducing electric potential, electric fields, and conductors versus insulators Supporting STEM demonstrations, science fairs, and teacher-led electrostatics lessons How to Use the Van de Graaff Generator (Motor Operation) Place the generator on a dry, stable, insulated laboratory bench. Confirm the power supply, motor rating, grounding method, and discharge procedure before use. Inspect the dome, belt, rollers, motor housing, switch, cord, and discharge accessories. Keep students at a safe observation distance before switching on the motor. Start the generator and allow charge to build on the dome. Use the approved discharge wand or demonstration accessory as directed by the teacher. Switch off the motor before adjusting the apparatus or changing the setup. Discharge the dome safely before touching, moving, or storing the unit. Safety note: Use only under trained teacher supervision. Keep away from pacemakers, sensitive electronics, flammable vapours, wet surfaces, and grounded metal benches. Do not touch the dome during operation, and always discharge the generator after use. Care & Maintenance Store the generator dry and dust-free to preserve insulation performance. Clean the dome with a soft dry cloth; avoid abrasive cleaners. Check belt condition, roller alignment, motor operation, and wiring before classroom use. Remove from use if insulation is damaged, the motor overheats, the cord is frayed, or spark behaviour becomes abnormal. Van de Graaff Generator vs Influence Machine Lab Glassware Manufacturer offers two distinct ways to teach high-voltage electrostatics. The Motor Operated Van de Graaff Generator uses a motor-driven moving belt to carry charge onto a metal dome, producing a steady, continuously building electrostatic potential that is well suited to demonstrations of charge accumulation and controlled spark discharge. The Influence Machine (Wimshurst-type) instead uses hand-cranked rotating discs and induction to generate charge, producing a visible spark directly between two electrodes, which better suits lessons on electrostatic induction and manual charge generation. Labs wanting a steady dome-based charge demonstration typically choose the Van de Graaff generator, while labs teaching induction and hand-generated sparks choose the influence machine. Both apparatus can be paired with the Electrostatics Starter Kit for a fuller teaching sequence. Why Choose Lab Glassware Manufacturer Lab Glassware Manufacturer manufactures and exports laboratory glassware, scientific laboratory instruments, lab experiment setups, science kits, mathematics kits, didactic models, and STEM models. Its product range supports physics lab equipment, electronic instruments, general lab equipment, and educational laboratory procurement. The brand supplies schools, colleges, universities, research institutions, industrial laboratories, distributors, and export buyers across India and international markets including Poland, Romania, Bulgaria, and Hungary. Frequently Asked Questions What is a Motor Operated Van de Graaff Generator used for? A Motor Operated Van de Graaff Generator is used to generate static electric charge and demonstrate electrostatic attraction, repulsion, discharge sparks, and electric potential in physics labs. Does this generator require manual cranking? No. The product name indicates motor operation, so manual cranking is not the primary operation method. Confirm the final motor and power-supply details before publishing. What output voltage does it produce? The output voltage varies by unit — check voltage or spark-gap details from the product datasheet or tested specification before ordering. Does it include a discharge wand? Discharge wand inclusion varies by unit — check the wand, grounding lead, or accessories from the final supplied configuration before ordering. Can it be used in school physics labs? Yes. It is suitable for supervised school and college electrostatics demonstrations when operated under trained teacher supervision. Related Products Influence Machine Electrostatics Starter Kit Friction Bar (Glass) Request a Quote For pricing, bulk institutional orders, or tender submissions, please contact Lab Glassware Manufacturer or visit our lab tender page. Last updated: September 2026